CN218911425U - Post-cast strip forms removal-free and roughening-free shaped steel internal bracing structure - Google Patents
Post-cast strip forms removal-free and roughening-free shaped steel internal bracing structure Download PDFInfo
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- CN218911425U CN218911425U CN202222984262.9U CN202222984262U CN218911425U CN 218911425 U CN218911425 U CN 218911425U CN 202222984262 U CN202222984262 U CN 202222984262U CN 218911425 U CN218911425 U CN 218911425U
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Abstract
The utility model relates to a post-cast strip demolding-free and roughening-free steel inner support structure, which comprises a water-stopping and roughening-free closing-in net, a steel bar back stupefied net and steel inner support frames, wherein the water-stopping and roughening-free closing-in net is arranged on two opposite side walls of the post-cast strip, the steel bar back stupefied net is fixed on the water-stopping and roughening-free closing-in net, each water-stopping and roughening-free closing-in net is fixedly provided with a steel bar back stupefied net, the steel inner support frames are arranged in the post-cast strip, and two sides of the steel inner support frames are respectively supported and fixed on the steel bar back stupefied net on two opposite side walls of the post-cast strip. The post-cast strip form-removal-free and roughening-free steel inner support structure has the advantages that the form removal-free and roughening-free steel inner support body permanent formwork is supported at one time, the form removal is not needed after the concrete is formed, rough roughening is not needed for the concrete joint, the simple cleaning is only needed, the consumption of turnover materials is reduced, the garbage generation is reduced, and the energy-saving and environment-friendly effects are realized. The utility model can be used for post-cast strips which are required by people in construction engineering and cannot be cut off or have ultra-deep flat and narrow steel bars.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a post-cast strip form removal-free and roughening-free steel inner support structure.
Background
In high-rise, super-high-rise and special building (including building and structure) engineering of industrial and civil buildings, the requirement on the integrity of the foundation is high, and a large-volume reinforced concrete raft foundation is selected. In the construction of super high-rise buildings, super thick raft foundations often appear, and the comprehensive construction of the raft foundations has important influence on the quality of the super high-rise buildings, so that the technical advantages and disadvantages of the raft foundation construction become the key of success or failure of the super high-rise buildings. The post-cast strip is used as the last pouring part of the raft foundation structure, not only relates to the construction of water stop steel plates, steel bars, templates and concrete, but also has certain limitation on pouring time. However, for super-thick post-cast strips related to raft foundation of civil air defense structures, construction restriction factors are more, civil air defense engineering often requires that reinforcing steel bars cannot be cut off, and the super-deep flat narrow post-cast strips cannot be assembled and disassembled by conventional templates and cannot be subjected to construction joint roughening at the connecting part of the subsequent post-cast strip structure by a lower person. Therefore, when the construction of the post-cast strip of the super-thick raft foundation is considered, the design of the template and the supporting system is considered according to the ideas of no need of removing the template and no need of roughening, and the effect and influence of the lateral pressure of the concrete on the template and the supporting system during pouring are fully considered. Meanwhile, the installation of the water-stop steel plate is integrated into the design of the post-cast strip mold removal-free and chiseling-free template and the support system during the design. The support system of the post-cast strip of the super-thick raft foundation is firm, the lateral pressure resistance and the deformation resistance of the post-cast strip of the super-thick raft foundation are guaranteed, and the whole construction quality of the post-cast strip of the super-thick raft foundation is better guaranteed.
Disclosure of Invention
The utility model provides a post-cast strip form-removal-free and roughening-free steel inner support structure for solving one or more of the technical problems or meeting the requirements.
The technical scheme for solving the technical problems is as follows: the utility model provides a post-cast strip exempts from to unpick and exempts from to open up structure in the shaped steel of roughening, includes that stagnant water exempts from to open up net, reinforcing bar back of the body stupefied net and shaped steel in the strut, stagnant water exempts from to open up net and set up on the opposite both sides wall of post-cast strip, reinforcing bar back of the body stupefied net is fixed on the stagnant water exempts from to open up net, every stagnant water exempts from to open up net all to be fixed with reinforcing bar back of the body stupefied net, the strut sets up in the post-cast strip in the shaped steel, the both sides of strut are supported respectively and are fixed on the reinforcing bar back of the body stupefied net on the opposite both sides wall of post-cast strip in the strut.
The beneficial effects of the utility model are as follows: the post-cast strip form-removal-free and roughening-free steel inner support structure has the advantages that the form removal-free and roughening-free steel inner support body permanent formwork is supported at one time, the form removal is not needed after the concrete is formed, rough roughening is not needed for the concrete joint, the simple cleaning is only needed, the consumption of turnover materials is reduced, the generation of garbage is reduced, and the energy conservation and the environment friendliness are realized. The utility model can be used for post-cast strips which are required by people in the construction engineering and cannot be cut off or ultra-deep flat and narrow by the steel bars, and can not be assembled and disassembled by conventional templates, and can not be used for post-cast strip construction of construction joints of subsequent post-cast strip structure connection parts by descending people.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the bottom of the two opposite side walls of the post-pouring belt is respectively provided with a plugging angle iron, the plugging angle iron at the bottom of each side wall is distributed along the extending direction of the post-pouring belt, and the lower end of the water-stopping roughening-free closing-in net is fixedly connected with the plugging angle iron.
Further, along the direction of height of post-cast strip, two sets of stagnant water are exempted from to chisel hair binding off nets about all being equipped with on every lateral wall of post-cast strip, two sets of stagnant water exempt from to chisel hair binding off nets between be equipped with the stagnant water steel sheet, the stagnant water steel sheet is fixed through welding or bolted connection or bolt connection with two sets of stagnant water exempt from to chisel hair binding off nets of arranging from top to bottom respectively.
Further, the upper water-stop and roughening-free closing-up net and the lower water-stop and roughening-free closing-up net are arranged in a staggered mode, and the water-stop and roughening-free closing-up net positioned above is arranged on the outer side of the water-stop and roughening-free closing-up net positioned below.
Further, each group of water stop roughening-free closing net is fixedly provided with a reinforced bar back stupefied net.
Further, the two section steel inner supporting frames are arranged up and down, and the upper water stop and the lower water stop roughening-free closing-in net correspond to one section steel inner supporting frame respectively.
Further, the section steel inner support comprises upright posts, back edges and horizontal beams, wherein a plurality of upright posts which are vertically arranged are arranged on each reinforcing steel bar back edge net, the upright posts are arranged into two rows along the extending direction of the post-cast strip, a plurality of back edges which are horizontally arranged are arranged on each upright post, and the back edges are fixed on one side of each row of upright posts, which is away from the reinforcing steel bar back edge net; the back edges on the two rows of upright posts are arranged in a one-to-one correspondence in the horizontal direction, a horizontal beam is fixed between the two back edges which are arranged correspondingly, and two ends of the horizontal beam are fixedly connected with the two back edges which are arranged correspondingly respectively.
The beneficial effects of adopting the further scheme are as follows: the structure of the section steel inner support frame is firmer and more stable.
Further, the section steel inner support frame also comprises an inclined strut, and one back edge on one row of upright posts is connected with the back edge positioned below or above the back edge on the other row of upright posts through the inclined strut.
Further, the upper end of the upright post corresponding to the opening at the upper end of the post-pouring belt is provided with an inverted U-shaped hanging ring.
The beneficial effects of adopting the further scheme are as follows: the inverted U-shaped hanging ring can be utilized to hang the profile steel inner supporting frame on the steel bars on the upper layer of the post-pouring belt, so that the overlarge bearing of structures such as water stopping steel plates is avoided.
Drawings
FIG. 1 is a schematic side view of a post-cast strip form removal-free and roughening-free steel inner support structure;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a schematic top view of the post-cast strip form removal-free and roughening-free steel inner support structure of the utility model;
fig. 4 is an enlarged schematic view of the portion B in fig. 3.
In the drawings, the list of components represented by the various numbers is as follows:
1. a water stop roughening-free closing-in net; 2. a reinforced bar back stupefied net; 3. a section steel inner support; 31. a column; 32. back edge; 33. a horizontal beam; 34. diagonal bracing; 35. inverted U-shaped hanging ring; 4. plugging angle iron; 5. a water-stopping steel plate; 6. post-cast strip; 61. bottom layer steel bars; 62. middle layer steel bar; 63. and (5) a top layer of reinforcing steel bar.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1 to 4, the post-cast strip mold-stripping-free and roughening-free steel inner support structure of the embodiment comprises a water-stopping and roughening-free closing-in net 1, a steel bar back stupefied net 2 and a steel bar inner support 3, wherein the water-stopping and roughening-free closing-in net 1 is arranged on two opposite side walls of a post-cast strip 6, the steel bar back stupefied net 2 is fixed on the water-stopping and roughening-free closing-in net 1, the steel bar back stupefied net 2 is fixed on each water-stopping and roughening-free closing-in net 1, the steel bar inner support 3 is arranged in the post-cast strip 6, and two sides of the steel bar inner support 3 are respectively supported and fixed on the steel bar back stupefied net 2 on two opposite side walls of the post-cast strip 6.
As shown in fig. 1, in this embodiment, the bottom parts of two opposite side walls of the post-pouring strip 6 are respectively provided with a plugging angle iron 4, the plugging angle iron 4 at the bottom of each side wall is arranged along the extending direction of the post-pouring strip 6, and the lower end of the water-stop roughening-free closing-in net 1 is fixedly connected with the plugging angle iron 4. And the bottom of the post-pouring strip is provided with L80 blocking angle irons, holes are cut and blown by oxygen according to the distance between longitudinal steel bars of the bottom plate, the aperture is one model larger than that of the steel bars, the steel bars are placed in the holes, and slurry leakage at the lower part of the steel bars at the bottom of the plate is blocked.
As shown in fig. 1, along the height direction of the post-pouring belt 6, each side wall of the post-pouring belt 6 is provided with an upper water-stop and lower water-stop roughening-free closing-up net 1, a water-stop steel plate 5 is arranged between the two water-stop roughening-free closing-up nets 1, and the water-stop steel plate 5 is fixed with the two water-stop roughening-free closing-up nets 1 arranged up and down through welding or bolting respectively.
As shown in fig. 1, an upper water-stop and roughening-free closing-up net 1 and a lower water-stop and roughening-free closing-up net 1 are arranged in a staggered manner, and a water-stop and roughening-free closing-up net 1 positioned above is arranged on the outer side of a water-stop and roughening-free closing-up net 1 positioned below.
As shown in fig. 1 to 4, a reinforced back ridge net 2 is fixed on each group of water stop roughening-free closing net 1 in the embodiment.
As shown in fig. 1 and 2, the two section steel inner brackets 3 in this embodiment are arranged up and down, and the two upper and lower water stop roughening-free closing-up nets 1 respectively correspond to one section steel inner bracket 3.
As shown in fig. 1 and 2, the section steel inner bracket 3 of the present embodiment includes a column 31, a back rib 32 and a horizontal beam 33, each reinforcing steel back rib net 2 is provided with a plurality of columns 31 arranged vertically, the columns 31 are arranged in two rows along the extending direction of the post-cast strip 6, each row of columns 31 is provided with a plurality of back ribs 32 arranged horizontally, and the back ribs 32 are fixed on one side of each row of columns 31 facing away from the reinforcing steel back rib net 2; the back ribs 32 on the two rows of upright posts 31 are arranged in a one-to-one correspondence in the horizontal direction, a horizontal beam 33 is fixed between the two back ribs 32 which are arranged correspondingly, and two ends of the horizontal beam 33 are fixedly connected with the two back ribs 32 which are arranged correspondingly respectively. The structure of the section steel inner support frame is firmer and more stable.
As shown in fig. 1 and 2, the section steel inner bracket 3 of the present embodiment further includes a diagonal brace 34, and one back rib 32 on one column 31 and the back rib 32 on the other column 31 below or above the back rib 32 are connected by the diagonal brace 34.
As shown in fig. 1 and 2, the upper end of the upright post 31 corresponding to the opening at the upper end of the post-cast strip 6 is provided with an inverted U-shaped hanging ring 35, and the inverted U-shaped hanging ring 35 is used for being hung on a steel bar at the top of the post-cast strip. The inverted U-shaped hanging ring can be utilized to hang the profile steel inner supporting frame on the steel bars on the upper layer of the post-pouring belt, so that the overlarge bearing of structures such as water stopping steel plates is avoided.
The water-stopping roughening-free closing-up net can be purchased in the market, the specification and the size can be determined according to actual needs, and the water-stopping roughening-free closing-up net is generally 4000mm multiplied by 80mm multiplied by 0.6mm in specification and can be arranged horizontally and longitudinally. The water-stopping steel plates are generally arranged in the middle area of the thickness of the raft plate according to the design requirement and are connected with the upper water-stopping and lower water-stopping roughening-free closing-in net through spot welding, and the water-stopping steel plates are generally 300mm multiplied by 3mm in specification. The reinforced bar back edge net adopts reinforced bar meshes with the diameter of HRB400 and the two-way distance between the meshes is 250mm, and the water-stopping and roughening-free closing net is welded or bound on the reinforced bar back edge net for limiting the movement of the water-stopping and roughening-free closing net. The steel inner strut can adopt 10# channel steel, the connection points among the channel steel are welded, the fillet weld is formed, and the fillet weld height is not less than 4mm. The whole post-cast strip is divided into an upper part and a lower part by taking a water-stopping steel plate as a boundary line by a steel section inner support frame in the method of a steel section inner support system without removing a mould and roughening. The connection mode of each member among the section steel inner supporting frames can adopt field welding, socket connection, bolt connection and the like according to the actual engineering requirements. When the socket connection and the bolt connection are adopted, industrial production can be performed in advance according to the actual engineering requirements, and then field installation is performed, so that the field welding operation can be effectively reduced, the construction progress is accelerated, and the working efficiency is improved.
The post-cast strip of this embodiment is exempted from to unpick and is exempted from to chisel hair shaped steel inner support structure, and its exempt from to unpick, exempt from to chisel hair shaped steel inner support body permanent template one-time stay, need not to unpick after the concrete shaping, need not coarse roughening to the concrete joint, only need simple clearance, reduces the consumption of turnover material, reduces the production of rubbish, energy-concerving and environment-protective. The utility model can be used for post-cast strips which are required by people in the construction engineering and cannot be cut off or ultra-deep flat and narrow by the steel bars, and can not be assembled and disassembled by conventional templates, and can not be used for post-cast strip construction of construction joints of subsequent post-cast strip structure connection parts by descending people.
The construction method of the post-cast strip form removal-free and chiseling-free steel inner support structure comprises the following steps: bottom layer steel bars 61 are paved on the raft at the bottom of the post-pouring belt 6, and meanwhile, plugging angle irons 4 are paved at the bottoms of two side walls of the post-pouring belt 6; then arranging a water-stopping and roughening-free closing-up net 1 on a bottom layer steel bar 61 at one side of the plugging angle iron 4, enabling the water-stopping and roughening-free closing-up net 1 to be attached to two side walls of the post-pouring belt 6, paving a steel bar back stupefied net 2 on the water-stopping and roughening-free closing-up net 1, and fixing the water-stopping and roughening-free closing-up net 1 and the steel bar back stupefied net 2; fixing the steel section inner support frame 3 on the bottom layer steel bar 61 again, and enabling two sides of the steel section inner support frame 3 to be fixedly connected with the steel bar back edge net 2 on two sides respectively; middle layer steel bars 62 are arranged in the templates of the post-cast strip 6, the water-stop chiseling-free closing-up net 1, the steel bar back stupefied net 2 and the steel bar inner support frame 3 in a penetrating mode, top layer steel bars 63 are paved on the top of the templates of the post-cast strip 6, the water-stop chiseling-free closing-up net 1, the steel bar back stupefied net 2 and the steel bar inner support frame 3, and the top of the steel bar inner support frame 3 is connected to the top layer steel bars 63. The inverted U-shaped hanging ring 35 arranged at the top of the section steel inner support frame 3 can be hung on the top layer steel bar 63.
According to the embodiment, under the condition that the action and influence of concrete lateral pressure on a template and a supporting system during pouring are fully considered, the raft foundation post-pouring strip is innovatively realized by utilizing a water stop roughening-free closing-up net, a reinforcing steel bar back stupefied net and a section steel inner supporting frame combined system, the method that the template is free from being disassembled, the whole template is free from roughening, the supporting and water stop steel plate is fused into a mounting system is realized, the whole system is fused into the post-pouring strip as a part of a post-pouring strip structure, and therefore the adverse effects of civil air defense engineering reinforcing steel cutting, ultra-deep flat narrow post-pouring strip template assembly and disassembly and construction joint roughening are avoided, and the effect of guaranteeing the whole construction quality of the post-pouring strip of an ultra-thick raft foundation is achieved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (9)
1. The utility model provides a post-cast strip exempts from to unpick and exempts from to coat with steel inner support structure, its characterized in that includes that stagnant water exempts from to coat with steel binding off net, reinforcing bar back of body stupefied net and shaped steel inner support, stagnant water exempts from to coat with steel binding off net setting on the opposite both sides wall of post-cast strip, reinforcing bar back of body stupefied net is fixed on the stagnant water exempts from to coat with steel binding off net, every stagnant water exempts from to coat with steel binding off net all to be fixed with reinforcing bar back of body stupefied net, shaped steel inner support sets up in the post-cast strip, the reinforcing bar back of body stupefied net of fixing on the opposite both sides wall of post-cast strip is supported respectively to the both sides of shaped steel inner support.
2. The post-cast strip mold removal and roughening-free steel inner support structure according to claim 1, wherein the bottoms of two opposite side walls of the post-cast strip are respectively provided with plugging angle irons, the plugging angle irons at the bottom of each side wall are distributed along the extending direction of the post-cast strip, and the lower end of the water stop roughening-free closing-in net is fixedly connected with the plugging angle irons.
3. The post-cast strip mold removal and roughening-free steel inner support structure according to claim 1, wherein an upper water stop roughening-free closing net and a lower water stop roughening-free closing net are arranged on each side wall of the post-cast strip along the height direction of the post-cast strip, water stop steel plates are arranged between the two water stop roughening-free closing nets, and the water stop steel plates are fixed with the two water stop roughening-free closing nets arranged up and down through welding or bolting respectively.
4. The post-cast strip demolding-free and roughening-free steel inner support structure according to claim 3, wherein the upper water stop roughening-free closing-up net and the lower water stop roughening-free closing-up net are arranged in a staggered mode, and the water stop roughening-free closing-up net arranged above is arranged on the outer side of the water stop roughening-free closing-up net arranged below.
5. The post-cast strip demolding-free and roughening-free steel inner support structure according to claim 3, wherein each group of water-stop roughening-free closing-in net is fixedly provided with a reinforced bar back stupefied net.
6. The post-cast strip mold-removal-free and roughening-free steel inner support structure according to claim 3, wherein the steel inner support frames are arranged up and down, and the upper water stop roughening-free closing-in net and the lower water stop roughening-free closing-in net respectively correspond to one steel inner support frame.
7. The post-cast strip demolding-free and roughening-free steel inner support structure according to claim 1, wherein the steel inner support comprises upright posts, back ribs and horizontal beams, a plurality of upright posts which are vertically arranged are arranged on each steel bar back rib net, the upright posts are arranged in two rows along the extending direction of the post-cast strip, a plurality of back ribs which are horizontally arranged are arranged on each upright post, and the back ribs are fixed on one side of each row of upright posts, which is away from the steel bar back rib net; the back edges on the two rows of upright posts are arranged in a one-to-one correspondence in the horizontal direction, a horizontal beam is fixed between the two back edges which are arranged correspondingly, and two ends of the horizontal beam are fixedly connected with the two back edges which are arranged correspondingly respectively.
8. The post-cast strip demolding and roughening-free steel inner support structure according to claim 7, wherein the steel inner support further comprises diagonal braces, and one back ridge on one column is connected with a back ridge below or above the back ridge on the other column through the diagonal braces.
9. The post-cast strip demolding-free and roughening-free steel inner support structure according to claim 1, wherein inverted U-shaped hanging rings are arranged at the upper ends of the upright posts corresponding to the openings at the upper ends of the post-cast strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984262.9U CN218911425U (en) | 2022-11-09 | 2022-11-09 | Post-cast strip forms removal-free and roughening-free shaped steel internal bracing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984262.9U CN218911425U (en) | 2022-11-09 | 2022-11-09 | Post-cast strip forms removal-free and roughening-free shaped steel internal bracing structure |
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| CN218911425U true CN218911425U (en) | 2023-04-25 |
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| CN202222984262.9U Active CN218911425U (en) | 2022-11-09 | 2022-11-09 | Post-cast strip forms removal-free and roughening-free shaped steel internal bracing structure |
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| CN (1) | CN218911425U (en) |
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